On Tue, Jul 2, 2019 at 6:59 AM Markos <mar...@c2o.pro.br> wrote: > > Hi, > > I observed that matplotlib reads an image file (PNG) as float32: > > Please, how to read this file as int8 to get RGB in range of 0-255? > > Thank you, > > Markos > > >import numpy as np > > >import matplotlib.pyplot as plt > > >import matplotlib.image as mpimg > > >imagem = mpimg.imread('lenna.png') > > >print (imagem) > > [[[0.8862745 0.5372549 0.49019608] > [0.8862745 0.5372549 0.49019608] > [0.8745098 0.5372549 0.52156866] > ... > > >print (imagem.dtype) > > float32 >
Seems like matplotlib is rescaling everything to be on the range 0 to 1. https://matplotlib.org/users/image_tutorial.html ChrisA -- https://mail.python.org/mailman/listinfo/python-list